WoW API: CanSendAuctionQuery

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Determine if a new auction house query can be sent (via QueryAuctionItems())

canQuery,canQueryAll = CanSendAuctionQuery()

Returns

canQuery: boolean - True if a normal auction house query can be made
canQueryAll: boolean - True if a full ("getall") auction house query can be made (added in 2.3)

The auction house cannot be queried for 4 seconds after a query is made.

Full ("getall") queries are only allowed once every ~15 minutes.